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3 years ago

Is 7/11 a rational number

Mathematics

2 answers:

ra1l [238]3 years ago

8 0

Yes it is a rational number because it can be expressed as a fraction. (711/100)

shepuryov [24]3 years ago

5 0

Answer:

Yes

Step-by-step explanation:

The number 7/11 is a rational number because it can be expressed as a fraction of two integers.

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An item is regularly priced at $70. Keiko bought it on sale for 80% off the regular price. How much did Keiko pay? $

pantera1 [17]

Answer:

$14

Step-by-step explanation:

80% of $70 is $14, saving him $56

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2 years ago

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I need help on this what is the distributive property of 16+48

Alika [10]

Answer:

Note that 48 = 16(3)

16 + 48 = 16 + 16(3) = 16(1 + 3) = 16(4) = 64

Step-by-step explanation:

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2 years ago

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Let s represent a false statement, let p represent a true statement, and let r represent a false statement. Find the truth value

kondaur [170]

<h3>Answer: false</h3>

Work Shown:

s = false

p = true

r = false

-p = false, which is the opposite of statement p

s or -p = false or false = false

The result of an 'or' operation is false only when both parts are false; otherwise, it is true

(s or -p) or r = false or false = false

(s or -p) or r = false

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3 years ago

Two tailors, Valentina and Laura, sit down to do some embroidery. Valentina can embroider 2 shirts per hour, and Laura can get t

mina [271]

Answer:

Valentina and Laura finished the same total number of shirts in $4$ hours.

Total number of shirts finished by Valentina $=23$

Total number of shirts finished by Laura $=23$

Step-by-step explanation:

Suppose that Valentina and Laura finished the same total number of shirts in $t$ hours.

Valentina can embroider 2 shirts per hour and Valentina has already completed 15 shirts.

Total number of shirts finished by Valentina $=2t+15$

Laura can get through 3 shirts per hour and Laura has completed 11 shirts.

Total number of shirts finished by Laura $=3t+11$

Therefore,

$2t+15=3t+11\\3t-2t=15-11\\t=4$

So,

Valentina and Laura finished the same total number of shirts in $4$ hours.

Total number of shirts finished by Valentina $=2(4)+15=8+15=23$

Total number of shirts finished by Laura $=3(4)+11=12+11=23$

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2 years ago

What is the range of this set of numbers?

Phantasy [73]

Answer:

B. 5

Step-by-step explanation:

The range of a data set in statistics is the difference between the largest and the smallest values. While range does have different meanings within different areas of statistics and mathematics, this is its most basic definition, and is what is used by the provided calculator.

example, 2,10,21,23,23,38,38

38 - 2 = 36

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1 year ago

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